package com.tgb.manager;  
  
import java.util.List;  
  

import com.tgb.entity.User;  
  
public interface UserManager {  
  
	 public User getUser(String id);  
     
	 public List<User> getAllUser(String teacherId);
	    
	 public List<User> getAllUser();  
	      
	 public void addUser(String teacherId,User user);  
	      
	 public boolean delUser(String id);  
	      
	 public boolean updateUser(User user);
}  